Auto diagnostic tool



FIG. 1 is a perspective view of an auto diagnostic tool showing the newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a rear side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings depict environmental subject matteronly and form no part of the claimed design.

CLAIM The ornamental design for an auto diagnostic tool, as shown anddescribed.